Id. (to be codified at ?? 1501.33(D)). 16 Id. (to be codified at ?? 1522.12). 17 ???Capacity??? means ???the ability of a facility???s pumps, pipes, and other appurtenances to withdraw water presented in terms of withdrawal capacity, treatment capacity, distribution capacity, or other capacity-limiting factors.??? Id. (to be codified at ?? 1522.10(D)). 18 ???Recognized navigation channel??? means